Finland vs Slovenia: Share of primary energy from nuclear
Finland
33.5%
in 2025
Slovenia
25.7%
in 2025
Finland rank
2nd
Slovenia rank
5th
Share of primary energy from nuclear over time
- Finland
- Slovenia
How they compare
Finland currently reports 33.5% against 25.7% in Slovenia, a difference of 7.8%.
That makes Finland's figure about 1.3 times Slovenia's.
The two have swapped places 9 times across 36 shared years of data; in 1990 it was Slovenia ahead.
Finland ranks 2nd and Slovenia ranks 5th of 215 countries.
Across the 4 decades both report, Finland averaged higher in 1 and Slovenia in 3.
Head to head by decade
| Decade | Finland | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 19.1% | 20.6% | 1.5% | Slovenia |
| 2000s | 19.5% | 21.2% | 1.7% | Slovenia |
| 2010s | 21.9% | 23.3% | 1.3% | Slovenia |
| 2020s | 29.4% | 25.4% | 4.0% | Finland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, Finland or Slovenia?
- Finland, at 33.5% against 25.7% in Slovenia as of 2025.
- What is the difference in share of primary energy from nuclear between Finland and Slovenia?
- 7.8%, with Finland ahead.
- How many years of comparable data are there for Finland and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Finland and Slovenia rank globally for share of primary energy from nuclear?
- Finland ranks 2nd and Slovenia ranks 5th of 215 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Share of primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.